# StringSense vs TennisGear

The clearest difference is in-app purchases: TennisGear at none against StringSense's 2. StringSense's advantage is iOS requirement (16.6 vs 18.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. StringSense sells 2 in-app purchases, starting at $0.99 per month. TennisGear asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 13, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | StringSense | TennisGear |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Size | 15 MB | 12 MB |
| Requires iOS | **16.6** | 18.1 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Stefan Große](https://appshunter.io/developer/1873735701) | [Yusuke Nakashima](https://appshunter.io/developer/1864561664) |

## What reviewers say

### StringSense

[App page](https://appshunter.io/ios/app/stringsense/id6758571944)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| StringSense Pro Monthly | $0.99 | per month |
| StringSense Pro Yearly | $9.99 | per year |


### TennisGear

[App page](https://appshunter.io/ios/app/tennisgear/id6759249812)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is StringSense free?

StringSense is free to download, with in-app purchases available.

### Is TennisGear free?

TennisGear is free to download, with no in-app purchases.

### Do StringSense or TennisGear have ads?

Neither StringSense nor TennisGear shows ads.

### Which is updated more often, StringSense or TennisGear?

StringSense ships an update every 2 weeks, and TennisGear every 2 weeks. Most recently, StringSense was updated on October 13, 2026 and TennisGear on September 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*